Hi Cedric, On Wed, Feb 03, 2021 at 08:33:18PM +0100, wrote: > it's called "dm-integrity", as mentioned in this e-mail: > https://www.mail-archive.com/linux-btrfs@xxxxxxxxxxxxxxx/msg93037.html If you do this it would be very interesting to see performance figures for the following setups: - btrfs with raid1 meta and data allocation - mdadm raid1 on raw devices - mdadm raid1 on dm-integrity (no encryption) on raw devices - mdadm raid1 on dm-integrity (encryption) on raw devices just to see what kind of performance loss dm-integrity and encryption is going to impose. After doing it, it would find a nice home on the Linux RAID wiki: https://raid.wiki.kernel.org/index.php/Dm-integrity Cheers, Andy
